Question 30 of 30
Which statement about a centrifugal cargo pump is TRUE?
A
It is a positive displacement pump.
B
It must have a positive suction.
C
Increasing rotation speed will decrease discharge pressure.
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Answer & Explanation
The correct answer is Option B: It must have a positive suction..
Centrifugal pumps are not self-priming and require a positive suction head to operate, as they rely on the fluid filling the impeller casing to create the centrifugal force necessary to move liquid.